An Invitation to the Underworld! The Joubert Sisters!

While Heero is in a hot battle, Mimori meets Alice at that time. It was the infamous bounty hunter Justine sisters who appeared in front of the two who enjoyed a momentary conversation. Mimori and Alice, who were challenged by the Justine sisters in a "tag battle," throw themselves into an unbeatable battle.

"Tell me, my sister."
"Sister Justine is an invincible bounty hunter ..."

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S01E17 - Special and Ordinary